Total Proprietary Capital / Ameren Corporation / Appalachian Power Co. / Minnesota Power & Light Co. / American Electric Power Service Corp. / Illinova Corporation / ITC Holdings Corp / Ameren Energy Resources Company LLC / CILCORP Inc. / Central Illinois Light Company / Illinois Power Company / Duke Energy Moss Landing LLC / Willmut Gas & Oil Co. / Prairie Power Inc. / AmerenEnergy Resources Generating Company / AmerenIP / Electric Energy Inc. / Midwest Independent System Operator Inc. / Ameren Illinois Company / I. Corporate Transactions A. CILCORP / See American Electric Power Service Corp. / Ameren Services Co. / Midcontinent Independent System Operator Inc. / Operator Inc. / DTE Energy Trading Inc. / United Gas Pipe Line Co. / Central Illinois Public Service Company / Midwest Independent Transmission System Operator Inc. / Locust Ridge Gas Co. / AmerenCILCO / American Electric Power Co. / PJM Interconnection L.L.C. / /